| Montilla to Nasaud | 1,613.15 mi (2,596.12 km) |
| Montilla to Navodari | 1,782.84 mi (2,869.21 km) |
| Montilla to Negresti-Oas | 1,579.52 mi (2,542.00 km) |
| Montilla to Nehoiu | 1,677.22 mi (2,699.22 km) |
| Montilla to Ocna Mures | 1,573.91 mi (2,532.96 km) |
| Montilla to Odobesti | 1,717.60 mi (2,764.21 km) |
| Montilla to Odorheiu Secuiesc | 1,640.19 mi (2,639.63 km) |
| Montilla to Oltenita | 1,684.04 mi (2,710.20 km) |
| Montilla to Onesti | 1,708.53 mi (2,749.61 km) |
| Montilla to Oradea | 1,496.66 mi (2,408.64 km) |
| Montilla to Orastie | 1,535.13 mi (2,470.56 km) |
| Montilla to Oravita | 1,451.87 mi (2,336.56 km) |
| Montilla to Orsova | 1,482.00 mi (2,385.04 km) |
| Montilla to Otelu Rosu | 1,490.38 mi (2,398.54 km) |
| Montilla to Otopeni | 1,659.14 mi (2,670.13 km) |
