| Spalding to Nasaud | 1,147.62 mi (1,846.92 km) |
| Spalding to Navodari | 1,427.27 mi (2,296.96 km) |
| Spalding to Negresti-Oas | 1,088.25 mi (1,751.37 km) |
| Spalding to Nehoiu | 1,293.62 mi (2,081.88 km) |
| Spalding to Ocna Mures | 1,155.92 mi (1,860.27 km) |
| Spalding to Odobesti | 1,309.53 mi (2,107.49 km) |
| Spalding to Odorheiu Secuiesc | 1,217.54 mi (1,959.45 km) |
| Spalding to Oltenita | 1,356.45 mi (2,182.99 km) |
| Spalding to Onesti | 1,279.78 mi (2,059.60 km) |
| Spalding to Oradea | 1,052.90 mi (1,694.48 km) |
| Spalding to Orastie | 1,149.03 mi (1,849.18 km) |
| Spalding to Oravita | 1,120.52 mi (1,803.30 km) |
| Spalding to Orsova | 1,161.44 mi (1,869.15 km) |
| Spalding to Otelu Rosu | 1,127.80 mi (1,815.01 km) |
| Spalding to Otopeni | 1,315.08 mi (2,116.41 km) |
