| Warendorf to Novi di Modena | 505.61 mi (813.71 km) |
| Warendorf to Novi Ligure | 498.43 mi (802.14 km) |
| Warendorf to Nuoro | 806.57 mi (1,298.05 km) |
| Warendorf to Occhiobello | 512.80 mi (825.27 km) |
| Warendorf to Oderzo | 472.79 mi (760.88 km) |
| Warendorf to Oggiono | 430.76 mi (693.24 km) |
| Warendorf to Olbia | 765.92 mi (1,232.63 km) |
| Warendorf to Oleggio | 439.97 mi (708.07 km) |
| Warendorf to Olgiate Comasco | 428.63 mi (689.81 km) |
| Warendorf to Olgiate Olona | 438.58 mi (705.82 km) |
| Warendorf to Omegna | 420.21 mi (676.27 km) |
| Warendorf to Opera | 457.39 mi (736.09 km) |
| Warendorf to Oppeano | 482.15 mi (775.94 km) |
| Warendorf to Orbassano | 480.42 mi (773.15 km) |
| Warendorf to Orbetello | 674.36 mi (1,085.28 km) |
