| Basildon to Nasaud | 1,109.35 mi (1,785.32 km) |
| Basildon to Navodari | 1,384.15 mi (2,227.57 km) |
| Basildon to Negresti-Oas | 1,051.19 mi (1,691.73 km) |
| Basildon to Nehoiu | 1,250.53 mi (2,012.54 km) |
| Basildon to Ocna Mures | 1,113.00 mi (1,791.21 km) |
| Basildon to Odobesti | 1,269.10 mi (2,042.41 km) |
| Basildon to Odorheiu Secuiesc | 1,176.56 mi (1,893.49 km) |
| Basildon to Oltenita | 1,309.55 mi (2,107.51 km) |
| Basildon to Onesti | 1,240.76 mi (1,996.81 km) |
| Basildon to Oradea | 1,009.80 mi (1,625.11 km) |
| Basildon to Orastie | 1,102.85 mi (1,774.87 km) |
| Basildon to Oravita | 1,068.59 mi (1,719.73 km) |
| Basildon to Orsova | 1,109.63 mi (1,785.77 km) |
| Basildon to Otelu Rosu | 1,078.87 mi (1,736.28 km) |
| Basildon to Otopeni | 1,268.81 mi (2,041.95 km) |
