| Karahalli to Opwijk | 1,509.19 mi (2,428.80 km) |
| Karahalli to Ostend | 1,566.47 mi (2,520.98 km) |
| Karahalli to Oud-Heverlee | 1,486.21 mi (2,391.83 km) |
| Karahalli to Oud-Turnhout | 1,488.96 mi (2,396.24 km) |
| Karahalli to Oudenaarde | 1,528.82 mi (2,460.39 km) |
| Karahalli to Oudenburg | 1,562.08 mi (2,513.92 km) |
| Karahalli to Oupeye | 1,444.18 mi (2,324.18 km) |
| Karahalli to Overijse | 1,489.95 mi (2,397.85 km) |
| Karahalli to Overpelt | 1,469.16 mi (2,364.38 km) |
| Karahalli to Paal | 1,472.86 mi (2,370.34 km) |
| Karahalli to Peer | 1,465.03 mi (2,357.74 km) |
| Karahalli to Pepinster | 1,432.95 mi (2,306.12 km) |
| Karahalli to Peruwelz | 1,520.10 mi (2,446.36 km) |
| Karahalli to Perwez | 1,474.08 mi (2,372.30 km) |
| Karahalli to Philippeville | 1,472.27 mi (2,369.39 km) |
