| Kelso to Oerlinghausen | 5,076.42 mi (8,169.70 km) |
| Kelso to Oestrich-Winkel | 5,174.92 mi (8,328.22 km) |
| Kelso to Offenburg | 5,262.36 mi (8,468.94 km) |
| Kelso to Oftersheim | 5,225.63 mi (8,409.84 km) |
| Kelso to Ohrdruf | 5,190.33 mi (8,353.03 km) |
| Kelso to Ohringen | 5,257.55 mi (8,461.21 km) |
| Kelso to Olbernhau | 5,257.54 mi (8,461.19 km) |
| Kelso to Olching | 5,359.56 mi (8,625.38 km) |
| Kelso to Oldenburg | 4,997.84 mi (8,043.25 km) |
| Kelso to Oldenburg in Holstein | 4,989.06 mi (8,029.11 km) |
| Kelso to Olfen | 5,060.93 mi (8,144.78 km) |
| Kelso to Olpe | 5,112.01 mi (8,226.98 km) |
| Kelso to Olsberg | 5,108.00 mi (8,220.52 km) |
| Kelso to Oranienburg | 5,130.28 mi (8,256.39 km) |
| Kelso to Ortenberg | 5,179.33 mi (8,335.33 km) |
