| Kelso to Opwijk | 5,025.51 mi (8,087.78 km) |
| Kelso to Ostend | 4,978.91 mi (8,012.78 km) |
| Kelso to Oud-Heverlee | 5,045.19 mi (8,119.45 km) |
| Kelso to Oud-Turnhout | 5,025.72 mi (8,088.11 km) |
| Kelso to Oudenaarde | 5,017.29 mi (8,074.55 km) |
| Kelso to Oudenburg | 4,983.34 mi (8,019.91 km) |
| Kelso to Oupeye | 5,076.61 mi (8,170.01 km) |
| Kelso to Overijse | 5,044.67 mi (8,118.61 km) |
| Kelso to Overpelt | 5,042.09 mi (8,114.46 km) |
| Kelso to Paal | 5,046.14 mi (8,120.98 km) |
| Kelso to Peer | 5,047.77 mi (8,123.59 km) |
| Kelso to Pepinster | 5,088.98 mi (8,189.92 km) |
| Kelso to Peruwelz | 5,035.57 mi (8,103.96 km) |
| Kelso to Perwez | 5,060.75 mi (8,144.49 km) |
| Kelso to Philippeville | 5,078.07 mi (8,172.36 km) |
