| Senigallia to Oerlinghausen | 607.77 mi (978.12 km) |
| Senigallia to Oestrich-Winkel | 499.18 mi (803.36 km) |
| Senigallia to Offenburg | 414.52 mi (667.11 km) |
| Senigallia to Oftersheim | 448.45 mi (721.71 km) |
| Senigallia to Ohrdruf | 505.14 mi (812.95 km) |
| Senigallia to Ohringen | 418.26 mi (673.12 km) |
| Senigallia to Olbernhau | 480.48 mi (773.25 km) |
| Senigallia to Olching | 323.16 mi (520.08 km) |
| Senigallia to Oldenburg | 690.39 mi (1,111.08 km) |
| Senigallia to Oldenburg in Holstein | 738.99 mi (1,189.29 km) |
| Senigallia to Olfen | 615.46 mi (990.49 km) |
| Senigallia to Olpe | 563.69 mi (907.17 km) |
| Senigallia to Olsberg | 571.73 mi (920.10 km) |
| Senigallia to Oranienburg | 624.69 mi (1,005.35 km) |
| Senigallia to Ortenberg | 498.88 mi (802.87 km) |
