| San Martino Buon Albergo to Oegstgeest | 556.00 mi (894.80 km) |
| San Martino Buon Albergo to Oirschot | 496.93 mi (799.73 km) |
| San Martino Buon Albergo to Oisterwijk | 504.11 mi (811.28 km) |
| San Martino Buon Albergo to Oldebroek | 539.90 mi (868.88 km) |
| San Martino Buon Albergo to Oldenzaal | 512.76 mi (825.21 km) |
| San Martino Buon Albergo to Ommen | 534.30 mi (859.88 km) |
| San Martino Buon Albergo to Oosterend | 570.98 mi (918.90 km) |
| San Martino Buon Albergo to Oosterhout | 515.98 mi (830.40 km) |
| San Martino Buon Albergo to Oosterwolde | 566.21 mi (911.22 km) |
| San Martino Buon Albergo to Oostzaan | 560.48 mi (902.01 km) |
| San Martino Buon Albergo to Opmeer | 574.64 mi (924.79 km) |
| San Martino Buon Albergo to Oss | 507.19 mi (816.25 km) |
| San Martino Buon Albergo to Oud-Beijerland | 537.27 mi (864.66 km) |
| San Martino Buon Albergo to Oudenbosch | 521.57 mi (839.39 km) |
| San Martino Buon Albergo to Oudewater | 536.85 mi (863.98 km) |
