| Amarante to Oerlinghausen | 1,080.21 mi (1,738.43 km) |
| Amarante to Oestrich-Winkel | 979.69 mi (1,576.66 km) |
| Amarante to Offenburg | 925.30 mi (1,489.12 km) |
| Amarante to Oftersheim | 980.41 mi (1,577.82 km) |
| Amarante to Ohrdruf | 1,112.39 mi (1,790.22 km) |
| Amarante to Ohringen | 1,011.64 mi (1,628.08 km) |
| Amarante to Olbernhau | 1,209.01 mi (1,945.72 km) |
| Amarante to Olching | 1,061.13 mi (1,707.72 km) |
| Amarante to Oldenburg | 1,116.21 mi (1,796.36 km) |
| Amarante to Oldenburg in Holstein | 1,251.21 mi (2,013.62 km) |
| Amarante to Olfen | 1,026.26 mi (1,651.61 km) |
| Amarante to Olpe | 1,012.59 mi (1,629.60 km) |
| Amarante to Olsberg | 1,048.87 mi (1,688.00 km) |
| Amarante to Oranienburg | 1,271.24 mi (2,045.87 km) |
| Amarante to Ortenberg | 1,032.36 mi (1,661.42 km) |
