| Widnes to Nasaud | 1,259.42 mi (2,026.84 km) |
| Widnes to Navodari | 1,540.07 mi (2,478.51 km) |
| Widnes to Negresti-Oas | 1,199.77 mi (1,930.84 km) |
| Widnes to Nehoiu | 1,406.48 mi (2,263.50 km) |
| Widnes to Ocna Mures | 1,268.81 mi (2,041.95 km) |
| Widnes to Odobesti | 1,421.77 mi (2,288.13 km) |
| Widnes to Odorheiu Secuiesc | 1,329.97 mi (2,140.39 km) |
| Widnes to Oltenita | 1,469.96 mi (2,365.67 km) |
| Widnes to Onesti | 1,391.67 mi (2,239.68 km) |
| Widnes to Oradea | 1,165.89 mi (1,876.32 km) |
| Widnes to Orastie | 1,262.49 mi (2,031.79 km) |
| Widnes to Oravita | 1,234.55 mi (1,986.82 km) |
| Widnes to Orsova | 1,275.46 mi (2,052.65 km) |
| Widnes to Otelu Rosu | 1,241.61 mi (1,998.18 km) |
| Widnes to Otopeni | 1,428.50 mi (2,298.95 km) |
