| Balaguer to Nasaud | 1,217.21 mi (1,958.91 km) |
| Balaguer to Navodari | 1,407.88 mi (2,265.77 km) |
| Balaguer to Negresti-Oas | 1,179.95 mi (1,898.95 km) |
| Balaguer to Nehoiu | 1,294.28 mi (2,082.94 km) |
| Balaguer to Ocna Mures | 1,182.66 mi (1,903.30 km) |
| Balaguer to Odobesti | 1,332.18 mi (2,143.94 km) |
| Balaguer to Odorheiu Secuiesc | 1,250.39 mi (2,012.31 km) |
| Balaguer to Oltenita | 1,310.73 mi (2,109.42 km) |
| Balaguer to Onesti | 1,319.88 mi (2,124.15 km) |
| Balaguer to Oradea | 1,099.78 mi (1,769.93 km) |
| Balaguer to Orastie | 1,146.92 mi (1,845.79 km) |
| Balaguer to Oravita | 1,068.51 mi (1,719.60 km) |
| Balaguer to Orsova | 1,101.76 mi (1,773.11 km) |
| Balaguer to Otelu Rosu | 1,103.87 mi (1,776.50 km) |
| Balaguer to Otopeni | 1,282.05 mi (2,063.25 km) |
