| Bad Honnef am Rhein to San Giovanni Rotondo | 738.94 mi (1,189.21 km) |
| Bad Honnef am Rhein to San Giovanni Valdarno | 529.25 mi (851.74 km) |
| Bad Honnef am Rhein to San Giuliano Milanese | 374.61 mi (602.87 km) |
| Bad Honnef am Rhein to San Giuliano Terme | 498.77 mi (802.70 km) |
| Bad Honnef am Rhein to San Giuseppe Iato | 923.41 mi (1,486.08 km) |
| Bad Honnef am Rhein to San Giuseppe Vesuviano | 762.40 mi (1,226.96 km) |
| Bad Honnef am Rhein to San Giustino | 542.52 mi (873.11 km) |
| Bad Honnef am Rhein to San Gregorio di Catania | 983.41 mi (1,582.64 km) |
| Bad Honnef am Rhein to San Lazzaro di Savena | 468.73 mi (754.35 km) |
| Bad Honnef am Rhein to San Marco in Lamis | 735.69 mi (1,183.97 km) |
| Bad Honnef am Rhein to San Martino Buon Albergo | 403.00 mi (648.56 km) |
| Bad Honnef am Rhein to San Martino di Lupari | 405.33 mi (652.31 km) |
| Bad Honnef am Rhein to San Marzano di San Giuseppe | 860.38 mi (1,384.65 km) |
| Bad Honnef am Rhein to San Marzano sul Sarno | 768.47 mi (1,236.73 km) |
| Bad Honnef am Rhein to San Maurizio Canavese | 375.50 mi (604.30 km) |
