| Walcourt to Novi di Modena | 477.48 mi (768.42 km) |
| Walcourt to Novi Ligure | 430.53 mi (692.86 km) |
| Walcourt to Nuoro | 726.34 mi (1,168.93 km) |
| Walcourt to Occhiobello | 496.56 mi (799.13 km) |
| Walcourt to Oderzo | 483.96 mi (778.86 km) |
| Walcourt to Oggiono | 383.52 mi (617.22 km) |
| Walcourt to Olbia | 689.71 mi (1,109.99 km) |
| Walcourt to Oleggio | 375.81 mi (604.80 km) |
| Walcourt to Olgiate Comasco | 373.30 mi (600.76 km) |
| Walcourt to Olgiate Olona | 379.96 mi (611.49 km) |
| Walcourt to Omegna | 353.71 mi (569.23 km) |
| Walcourt to Opera | 403.13 mi (648.77 km) |
| Walcourt to Oppeano | 464.05 mi (746.82 km) |
| Walcourt to Orbassano | 390.20 mi (627.96 km) |
| Walcourt to Orbetello | 628.91 mi (1,012.14 km) |
