| Ansonia to Oerlinghausen | 3,735.87 mi (6,012.30 km) |
| Ansonia to Oestrich-Winkel | 3,764.37 mi (6,058.16 km) |
| Ansonia to Offenburg | 3,806.08 mi (6,125.29 km) |
| Ansonia to Oftersheim | 3,806.28 mi (6,125.62 km) |
| Ansonia to Ohrdruf | 3,849.48 mi (6,195.15 km) |
| Ansonia to Ohringen | 3,848.61 mi (6,193.73 km) |
| Ansonia to Olbernhau | 3,956.40 mi (6,367.21 km) |
| Ansonia to Olching | 3,953.57 mi (6,362.65 km) |
| Ansonia to Oldenburg | 3,686.70 mi (5,933.17 km) |
| Ansonia to Oldenburg in Holstein | 3,756.33 mi (6,045.23 km) |
| Ansonia to Olfen | 3,692.27 mi (5,942.13 km) |
| Ansonia to Olpe | 3,729.16 mi (6,001.50 km) |
| Ansonia to Olsberg | 3,745.71 mi (6,028.14 km) |
| Ansonia to Oranienburg | 3,888.58 mi (6,258.07 km) |
| Ansonia to Ortenberg | 3,796.65 mi (6,110.11 km) |