| Berwyn to Oerlinghausen | 4,264.27 mi (6,862.68 km) |
| Berwyn to Oestrich-Winkel | 4,314.04 mi (6,942.78 km) |
| Berwyn to Offenburg | 4,370.14 mi (7,033.06 km) |
| Berwyn to Oftersheim | 4,359.87 mi (7,016.54 km) |
| Berwyn to Ohrdruf | 4,382.00 mi (7,052.15 km) |
| Berwyn to Ohringen | 4,400.62 mi (7,082.11 km) |
| Berwyn to Olbernhau | 4,481.19 mi (7,211.78 km) |
| Berwyn to Olching | 4,508.14 mi (7,255.15 km) |
| Berwyn to Oldenburg | 4,204.64 mi (6,766.72 km) |
| Berwyn to Oldenburg in Holstein | 4,253.67 mi (6,845.62 km) |
| Berwyn to Olfen | 4,227.32 mi (6,803.21 km) |
| Berwyn to Olpe | 4,269.64 mi (6,871.32 km) |
| Berwyn to Olsberg | 4,280.80 mi (6,889.29 km) |
| Berwyn to Oranienburg | 4,393.63 mi (7,070.87 km) |
| Berwyn to Ortenberg | 4,339.41 mi (6,983.61 km) |
