| Simmerath to Novi di Modena | 448.30 mi (721.47 km) |
| Simmerath to Novi Ligure | 419.74 mi (675.50 km) |
| Simmerath to Nuoro | 725.39 mi (1,167.41 km) |
| Simmerath to Occhiobello | 462.44 mi (744.23 km) |
| Simmerath to Oderzo | 438.15 mi (705.13 km) |
| Simmerath to Oggiono | 361.16 mi (581.24 km) |
| Simmerath to Olbia | 686.43 mi (1,104.71 km) |
| Simmerath to Oleggio | 361.81 mi (582.28 km) |
| Simmerath to Olgiate Comasco | 354.69 mi (570.82 km) |
| Simmerath to Olgiate Olona | 363.21 mi (584.53 km) |
| Simmerath to Omegna | 340.32 mi (547.69 km) |
| Simmerath to Opera | 384.77 mi (619.23 km) |
| Simmerath to Oppeano | 430.10 mi (692.18 km) |
| Simmerath to Orbassano | 390.64 mi (628.68 km) |
| Simmerath to Orbetello | 609.96 mi (981.64 km) |
