| Balchik to Novi di Modena | 859.89 mi (1,383.86 km) |
| Balchik to Novi Ligure | 963.61 mi (1,550.77 km) |
| Balchik to Nuoro | 989.96 mi (1,593.19 km) |
| Balchik to Occhiobello | 826.64 mi (1,330.35 km) |
| Balchik to Oderzo | 786.40 mi (1,265.59 km) |
| Balchik to Oggiono | 937.32 mi (1,508.47 km) |
| Balchik to Olbia | 969.09 mi (1,559.59 km) |
| Balchik to Oleggio | 971.30 mi (1,563.16 km) |
| Balchik to Olgiate Comasco | 955.76 mi (1,538.14 km) |
| Balchik to Olgiate Olona | 959.31 mi (1,543.86 km) |
| Balchik to Omegna | 983.00 mi (1,581.99 km) |
| Balchik to Opera | 942.61 mi (1,516.99 km) |
| Balchik to Oppeano | 846.96 mi (1,363.05 km) |
| Balchik to Orbassano | 1,024.34 mi (1,648.52 km) |
| Balchik to Orbetello | 858.62 mi (1,381.82 km) |
