| Bostonia to Oerlinghausen | 5,720.75 mi (9,206.66 km) |
| Bostonia to Oestrich-Winkel | 5,798.99 mi (9,332.57 km) |
| Bostonia to Offenburg | 5,873.35 mi (9,452.24 km) |
| Bostonia to Oftersheim | 5,848.51 mi (9,412.26 km) |
| Bostonia to Ohrdruf | 5,838.96 mi (9,396.90 km) |
| Bostonia to Ohringen | 5,885.28 mi (9,471.44 km) |
| Bostonia to Olbernhau | 5,921.92 mi (9,530.41 km) |
| Bostonia to Olching | 5,992.07 mi (9,643.30 km) |
| Bostonia to Oldenburg | 5,648.84 mi (9,090.92 km) |
| Bostonia to Oldenburg in Holstein | 5,664.92 mi (9,116.81 km) |
| Bostonia to Olfen | 5,695.14 mi (9,165.44 km) |
| Bostonia to Olpe | 5,743.33 mi (9,243.00 km) |
| Bostonia to Olsberg | 5,746.21 mi (9,247.63 km) |
| Bostonia to Oranienburg | 5,808.93 mi (9,348.56 km) |
| Bostonia to Ortenberg | 5,813.28 mi (9,355.58 km) |
