| Houghton Regis to San Giovanni Lupatoto | 692.39 mi (1,114.29 km) |
| Houghton Regis to San Giovanni Rotondo | 1,038.90 mi (1,671.95 km) |
| Houghton Regis to San Giovanni Valdarno | 801.72 mi (1,290.25 km) |
| Houghton Regis to San Giuliano Milanese | 633.28 mi (1,019.16 km) |
| Houghton Regis to San Giuliano Terme | 756.74 mi (1,217.86 km) |
| Houghton Regis to San Giuseppe Iato | 1,169.15 mi (1,881.56 km) |
| Houghton Regis to San Giuseppe Vesuviano | 1,043.91 mi (1,680.02 km) |
| Houghton Regis to San Giustino | 823.62 mi (1,325.49 km) |
| Houghton Regis to San Gregorio di Catania | 1,247.67 mi (2,007.93 km) |
| Houghton Regis to San Lazzaro di Savena | 750.38 mi (1,207.61 km) |
| Houghton Regis to San Marco in Lamis | 1,034.93 mi (1,665.55 km) |
| Houghton Regis to San Martino Buon Albergo | 693.07 mi (1,115.39 km) |
| Houghton Regis to San Martino di Lupari | 708.55 mi (1,140.30 km) |
| Houghton Regis to San Marzano di San Giuseppe | 1,164.55 mi (1,874.16 km) |
| Houghton Regis to San Marzano sul Sarno | 1,050.42 mi (1,690.49 km) |
