| Dorchester to Nasaud | 1,232.54 mi (1,983.58 km) |
| Dorchester to Navodari | 1,502.10 mi (2,417.40 km) |
| Dorchester to Negresti-Oas | 1,175.59 mi (1,891.93 km) |
| Dorchester to Nehoiu | 1,368.95 mi (2,203.11 km) |
| Dorchester to Ocna Mures | 1,232.11 mi (1,982.89 km) |
| Dorchester to Odobesti | 1,389.90 mi (2,236.82 km) |
| Dorchester to Odorheiu Secuiesc | 1,297.19 mi (2,087.62 km) |
| Dorchester to Oltenita | 1,423.89 mi (2,291.53 km) |
| Dorchester to Onesti | 1,362.88 mi (2,193.34 km) |
| Dorchester to Oradea | 1,129.20 mi (1,817.28 km) |
| Dorchester to Orastie | 1,218.80 mi (1,961.47 km) |
| Dorchester to Oravita | 1,178.30 mi (1,896.29 km) |
| Dorchester to Orsova | 1,219.26 mi (1,962.21 km) |
| Dorchester to Otelu Rosu | 1,192.01 mi (1,918.35 km) |
| Dorchester to Otopeni | 1,383.98 mi (2,227.29 km) |
