| Sozopol to Oberriet | 947.61 mi (1,525.03 km) |
| Sozopol to Obersiggenthal | 1,008.29 mi (1,622.69 km) |
| Sozopol to Oberwil | 1,042.28 mi (1,677.38 km) |
| Sozopol to Oberwingert | 987.14 mi (1,588.65 km) |
| Sozopol to Oftringen | 1,022.86 mi (1,646.13 km) |
| Sozopol to Olten | 1,024.10 mi (1,648.14 km) |
| Sozopol to Onex | 1,095.62 mi (1,763.23 km) |
| Sozopol to Opfikon | 994.96 mi (1,601.23 km) |
| Sozopol to Ostermundigen | 1,037.74 mi (1,670.08 km) |
| Sozopol to Payerne | 1,062.03 mi (1,709.17 km) |
| Sozopol to Pfaffikon | 984.04 mi (1,583.66 km) |
| Sozopol to Plan-les-Ouates | 1,094.71 mi (1,761.76 km) |
| Sozopol to Pratteln | 1,035.70 mi (1,666.79 km) |
| Sozopol to Prilly | 1,074.81 mi (1,729.74 km) |
| Sozopol to Pully | 1,071.52 mi (1,724.44 km) |
