| Bethel Park to Oerlinghausen | 4,052.03 mi (6,521.12 km) |
| Bethel Park to Oestrich-Winkel | 4,088.20 mi (6,579.32 km) |
| Bethel Park to Offenburg | 4,135.01 mi (6,654.66 km) |
| Bethel Park to Oftersheim | 4,131.60 mi (6,649.16 km) |
| Bethel Park to Ohrdruf | 4,167.47 mi (6,706.90 km) |
| Bethel Park to Ohringen | 4,173.48 mi (6,716.57 km) |
| Bethel Park to Olbernhau | 4,271.92 mi (6,875.00 km) |
| Bethel Park to Olching | 4,279.61 mi (6,887.37 km) |
| Bethel Park to Oldenburg | 3,998.90 mi (6,435.61 km) |
| Bethel Park to Oldenburg in Holstein | 4,061.13 mi (6,535.75 km) |
| Bethel Park to Olfen | 4,010.70 mi (6,454.59 km) |
| Bethel Park to Olpe | 4,049.64 mi (6,517.26 km) |
| Bethel Park to Olsberg | 4,064.31 mi (6,540.88 km) |
| Bethel Park to Oranienburg | 4,196.69 mi (6,753.92 km) |
| Bethel Park to Ortenberg | 4,118.13 mi (6,627.49 km) |
