| Boppard to San Giovanni Rotondo | 706.44 mi (1,136.91 km) |
| Boppard to San Giovanni Valdarno | 496.64 mi (799.26 km) |
| Boppard to San Giuliano Milanese | 342.90 mi (551.85 km) |
| Boppard to San Giuliano Terme | 466.61 mi (750.94 km) |
| Boppard to San Giuseppe Iato | 891.04 mi (1,433.99 km) |
| Boppard to San Giuseppe Vesuviano | 729.64 mi (1,174.24 km) |
| Boppard to San Giustino | 509.79 mi (820.43 km) |
| Boppard to San Gregorio di Catania | 950.70 mi (1,530.00 km) |
| Boppard to San Lazzaro di Savena | 436.03 mi (701.72 km) |
| Boppard to San Marco in Lamis | 703.17 mi (1,131.64 km) |
| Boppard to San Martino Buon Albergo | 370.26 mi (595.87 km) |
| Boppard to San Martino di Lupari | 372.66 mi (599.74 km) |
| Boppard to San Marzano di San Giuseppe | 828.10 mi (1,332.70 km) |
| Boppard to San Marzano sul Sarno | 735.71 mi (1,184.01 km) |
| Boppard to San Maurizio Canavese | 346.46 mi (557.57 km) |
