| Bosilegrad to Opwijk | 1,040.65 mi (1,674.77 km) |
| Bosilegrad to Ostend | 1,097.74 mi (1,766.64 km) |
| Bosilegrad to Oud-Heverlee | 1,017.71 mi (1,637.84 km) |
| Bosilegrad to Oud-Turnhout | 1,021.66 mi (1,644.20 km) |
| Bosilegrad to Oudenaarde | 1,059.84 mi (1,705.65 km) |
| Bosilegrad to Oudenburg | 1,093.32 mi (1,759.53 km) |
| Bosilegrad to Oupeye | 976.04 mi (1,570.78 km) |
| Bosilegrad to Overijse | 1,021.30 mi (1,643.62 km) |
| Bosilegrad to Overpelt | 1,001.98 mi (1,612.53 km) |
| Bosilegrad to Paal | 1,005.08 mi (1,617.51 km) |
| Bosilegrad to Peer | 997.68 mi (1,605.61 km) |
| Bosilegrad to Pepinster | 964.65 mi (1,552.45 km) |
| Bosilegrad to Peruwelz | 1,050.75 mi (1,691.01 km) |
| Bosilegrad to Perwez | 1,005.31 mi (1,617.89 km) |
| Bosilegrad to Philippeville | 1,002.88 mi (1,613.99 km) |
