| Straelen to Novi di Modena | 500.57 mi (805.60 km) |
| Straelen to Novi Ligure | 476.60 mi (767.01 km) |
| Straelen to Nuoro | 783.06 mi (1,260.22 km) |
| Straelen to Occhiobello | 512.90 mi (825.43 km) |
| Straelen to Oderzo | 483.68 mi (778.41 km) |
| Straelen to Oggiono | 415.99 mi (669.48 km) |
| Straelen to Olbia | 743.84 mi (1,197.09 km) |
| Straelen to Oleggio | 418.39 mi (673.34 km) |
| Straelen to Olgiate Comasco | 410.42 mi (660.51 km) |
| Straelen to Olgiate Olona | 419.27 mi (674.75 km) |
| Straelen to Omegna | 397.13 mi (639.12 km) |
| Straelen to Opera | 440.36 mi (708.69 km) |
| Straelen to Oppeano | 480.86 mi (773.87 km) |
| Straelen to Orbassano | 448.95 mi (722.52 km) |
| Straelen to Orbetello | 664.46 mi (1,069.34 km) |
