| Neckarsulm to Novi di Modena | 307.27 mi (494.51 km) |
| Neckarsulm to Novi Ligure | 306.95 mi (493.99 km) |
| Neckarsulm to Nuoro | 613.23 mi (986.89 km) |
| Neckarsulm to Occhiobello | 315.16 mi (507.20 km) |
| Neckarsulm to Oderzo | 280.70 mi (451.74 km) |
| Neckarsulm to Oggiono | 235.57 mi (379.11 km) |
| Neckarsulm to Olbia | 571.90 mi (920.39 km) |
| Neckarsulm to Oleggio | 249.70 mi (401.85 km) |
| Neckarsulm to Olgiate Comasco | 235.80 mi (379.49 km) |
| Neckarsulm to Olgiate Olona | 246.38 mi (396.51 km) |
| Neckarsulm to Omegna | 232.10 mi (373.53 km) |
| Neckarsulm to Opera | 263.14 mi (423.48 km) |
| Neckarsulm to Oppeano | 284.13 mi (457.26 km) |
| Neckarsulm to Orbassano | 299.79 mi (482.47 km) |
| Neckarsulm to Orbetello | 476.21 mi (766.39 km) |
