| Neu Isenburg to Novi di Modena | 370.77 mi (596.70 km) |
| Neu Isenburg to Novi Ligure | 365.58 mi (588.35 km) |
| Neu Isenburg to Nuoro | 673.21 mi (1,083.42 km) |
| Neu Isenburg to Occhiobello | 378.94 mi (609.85 km) |
| Neu Isenburg to Oderzo | 343.20 mi (552.32 km) |
| Neu Isenburg to Oggiono | 296.33 mi (476.90 km) |
| Neu Isenburg to Olbia | 632.23 mi (1,017.47 km) |
| Neu Isenburg to Oleggio | 307.48 mi (494.84 km) |
| Neu Isenburg to Olgiate Comasco | 295.06 mi (474.85 km) |
| Neu Isenburg to Olgiate Olona | 305.28 mi (491.30 km) |
| Neu Isenburg to Omegna | 288.57 mi (464.41 km) |
| Neu Isenburg to Opera | 323.33 mi (520.35 km) |
| Neu Isenburg to Oppeano | 347.88 mi (559.86 km) |
| Neu Isenburg to Orbassano | 352.60 mi (567.46 km) |
| Neu Isenburg to Orbetello | 539.29 mi (867.90 km) |
