| Svilengrad to Navodari | 214.45 mi (345.13 km) |
| Svilengrad to Negresti-Oas | 442.98 mi (712.91 km) |
| Svilengrad to Nehoiu | 247.85 mi (398.88 km) |
| Svilengrad to Ocna Mures | 339.86 mi (546.95 km) |
| Svilengrad to Odobesti | 279.73 mi (450.18 km) |
| Svilengrad to Odorheiu Secuiesc | 317.33 mi (510.69 km) |
| Svilengrad to Oltenita | 161.81 mi (260.41 km) |
| Svilengrad to Onesti | 311.64 mi (501.54 km) |
| Svilengrad to Oradea | 422.88 mi (680.57 km) |
| Svilengrad to Orastie | 319.27 mi (513.82 km) |
| Svilengrad to Oravita | 320.09 mi (515.13 km) |
| Svilengrad to Orsova | 280.00 mi (450.62 km) |
| Svilengrad to Otelu Rosu | 322.72 mi (519.37 km) |
| Svilengrad to Otopeni | 192.42 mi (309.67 km) |
| Svilengrad to Ovidiu | 210.05 mi (338.04 km) |
