| Calasparra to Nasaud | 1,455.40 mi (2,342.25 km) |
| Calasparra to Navodari | 1,619.13 mi (2,605.74 km) |
| Calasparra to Negresti-Oas | 1,423.68 mi (2,291.19 km) |
| Calasparra to Nehoiu | 1,515.16 mi (2,438.42 km) |
| Calasparra to Ocna Mures | 1,414.38 mi (2,276.22 km) |
| Calasparra to Odobesti | 1,556.09 mi (2,504.28 km) |
| Calasparra to Odorheiu Secuiesc | 1,480.06 mi (2,381.93 km) |
| Calasparra to Oltenita | 1,520.19 mi (2,446.51 km) |
| Calasparra to Onesti | 1,547.93 mi (2,491.16 km) |
| Calasparra to Oradea | 1,339.58 mi (2,155.85 km) |
| Calasparra to Orastie | 1,374.70 mi (2,212.37 km) |
| Calasparra to Oravita | 1,290.31 mi (2,076.55 km) |
| Calasparra to Orsova | 1,319.67 mi (2,123.80 km) |
| Calasparra to Otelu Rosu | 1,329.56 mi (2,139.71 km) |
| Calasparra to Otopeni | 1,495.93 mi (2,407.47 km) |
