| Rosignano Marittimo to Oegstgeest | 667.17 mi (1,073.70 km) |
| Rosignano Marittimo to Oirschot | 609.12 mi (980.28 km) |
| Rosignano Marittimo to Oisterwijk | 616.16 mi (991.62 km) |
| Rosignano Marittimo to Oldebroek | 659.73 mi (1,061.74 km) |
| Rosignano Marittimo to Oldenzaal | 637.29 mi (1,025.61 km) |
| Rosignano Marittimo to Ommen | 656.92 mi (1,057.20 km) |
| Rosignano Marittimo to Oosterend | 693.46 mi (1,116.01 km) |
| Rosignano Marittimo to Oosterhout | 626.36 mi (1,008.02 km) |
| Rosignano Marittimo to Oosterwolde | 689.66 mi (1,109.90 km) |
| Rosignano Marittimo to Oostzaan | 675.07 mi (1,086.42 km) |
| Rosignano Marittimo to Opmeer | 690.74 mi (1,111.63 km) |
| Rosignano Marittimo to Oss | 622.05 mi (1,001.09 km) |
| Rosignano Marittimo to Oud-Beijerland | 646.02 mi (1,039.68 km) |
| Rosignano Marittimo to Oudenbosch | 629.67 mi (1,013.35 km) |
| Rosignano Marittimo to Oudewater | 649.32 mi (1,044.98 km) |
