| Cities | Distance |
|---|---|
| Sumperk to Navodari | 670.68 mi (1,079.35 km) |
| Sumperk to Negresti-Oas | 326.70 mi (525.77 km) |
| Sumperk to Nehoiu | 538.10 mi (865.98 km) |
| Sumperk to Ocna Mures | 401.93 mi (646.85 km) |
| Sumperk to Odobesti | 549.90 mi (884.97 km) |
| Sumperk to Odorheiu Secuiesc | 459.15 mi (738.92 km) |
| Sumperk to Oltenita | 609.23 mi (980.46 km) |
| Sumperk to Onesti | 518.95 mi (835.16 km) |
| Sumperk to Oradea | 302.02 mi (486.05 km) |
| Sumperk to Orastie | 404.81 mi (651.49 km) |
| Sumperk to Oravita | 405.05 mi (651.87 km) |
| Sumperk to Orsova | 442.00 mi (711.33 km) |
| Sumperk to Otelu Rosu | 395.93 mi (637.18 km) |
| Sumperk to Otopeni | 566.79 mi (912.16 km) |
| Sumperk to Ovidiu | 670.91 mi (1,079.73 km) |