| Acharnes to Oerlinghausen | 1,203.88 mi (1,937.45 km) |
| Acharnes to Oestrich-Winkel | 1,130.62 mi (1,819.55 km) |
| Acharnes to Offenburg | 1,066.87 mi (1,716.96 km) |
| Acharnes to Oftersheim | 1,082.48 mi (1,742.08 km) |
| Acharnes to Ohrdruf | 1,085.83 mi (1,747.48 km) |
| Acharnes to Ohringen | 1,043.68 mi (1,679.64 km) |
| Acharnes to Olbernhau | 1,007.59 mi (1,621.56 km) |
| Acharnes to Olching | 935.96 mi (1,506.29 km) |
| Acharnes to Oldenburg | 1,276.80 mi (2,054.81 km) |
| Acharnes to Oldenburg in Holstein | 1,273.41 mi (2,049.35 km) |
| Acharnes to Olfen | 1,230.20 mi (1,979.82 km) |
| Acharnes to Olpe | 1,182.93 mi (1,903.74 km) |
| Acharnes to Olsberg | 1,178.68 mi (1,896.90 km) |
| Acharnes to Oranienburg | 1,131.59 mi (1,821.11 km) |
| Acharnes to Ortenberg | 1,112.69 mi (1,790.71 km) |
