| Mannheim to Novi di Modena | 337.35 mi (542.92 km) |
| Mannheim to Novi Ligure | 327.06 mi (526.35 km) |
| Mannheim to Nuoro | 635.07 mi (1,022.05 km) |
| Mannheim to Occhiobello | 347.66 mi (559.50 km) |
| Mannheim to Oderzo | 317.31 mi (510.66 km) |
| Mannheim to Oggiono | 259.24 mi (417.20 km) |
| Mannheim to Olbia | 594.32 mi (956.47 km) |
| Mannheim to Oleggio | 268.73 mi (432.49 km) |
| Mannheim to Olgiate Comasco | 257.01 mi (413.62 km) |
| Mannheim to Olgiate Olona | 267.03 mi (429.74 km) |
| Mannheim to Omegna | 249.42 mi (401.40 km) |
| Mannheim to Opera | 285.75 mi (459.87 km) |
| Mannheim to Oppeano | 315.98 mi (508.51 km) |
| Mannheim to Orbassano | 312.62 mi (503.11 km) |
| Mannheim to Orbetello | 504.45 mi (811.84 km) |
