| Baldock to Nasaud | 1,141.40 mi (1,836.91 km) |
| Baldock to Navodari | 1,417.81 mi (2,281.74 km) |
| Baldock to Negresti-Oas | 1,082.83 mi (1,742.64 km) |
| Baldock to Nehoiu | 1,284.14 mi (2,066.62 km) |
| Baldock to Ocna Mures | 1,146.49 mi (1,845.10 km) |
| Baldock to Odobesti | 1,301.90 mi (2,095.21 km) |
| Baldock to Odorheiu Secuiesc | 1,209.50 mi (1,946.50 km) |
| Baldock to Oltenita | 1,344.29 mi (2,163.42 km) |
| Baldock to Onesti | 1,273.11 mi (2,048.88 km) |
| Baldock to Oradea | 1,043.29 mi (1,679.01 km) |
| Baldock to Orastie | 1,137.30 mi (1,830.31 km) |
| Baldock to Oravita | 1,104.62 mi (1,777.72 km) |
| Baldock to Orsova | 1,145.65 mi (1,843.74 km) |
| Baldock to Otelu Rosu | 1,114.09 mi (1,792.96 km) |
| Baldock to Otopeni | 1,303.35 mi (2,097.54 km) |
