| Svilengrad to Oestrich-Winkel | 1,039.72 mi (1,673.27 km) |
| Svilengrad to Offenburg | 1,000.24 mi (1,609.74 km) |
| Svilengrad to Oftersheim | 997.33 mi (1,605.05 km) |
| Svilengrad to Ohrdruf | 964.65 mi (1,552.46 km) |
| Svilengrad to Ohringen | 955.04 mi (1,537.00 km) |
| Svilengrad to Olbernhau | 867.44 mi (1,396.00 km) |
| Svilengrad to Olching | 850.24 mi (1,368.33 km) |
| Svilengrad to Oldenburg | 1,144.67 mi (1,842.16 km) |
| Svilengrad to Oldenburg in Holstein | 1,113.38 mi (1,791.82 km) |
| Svilengrad to Olfen | 1,119.76 mi (1,802.08 km) |
| Svilengrad to Olpe | 1,078.86 mi (1,736.26 km) |
| Svilengrad to Olsberg | 1,066.18 mi (1,715.86 km) |
| Svilengrad to Oranienburg | 969.47 mi (1,560.21 km) |
| Svilengrad to Ortenberg | 1,009.87 mi (1,625.23 km) |
| Svilengrad to Oschatz | 903.55 mi (1,454.13 km) |
