| Cities | Distance |
|---|---|
| Slupca to Navodari | 738.59 mi (1,188.65 km) |
| Slupca to Negresti-Oas | 392.72 mi (632.03 km) |
| Slupca to Nehoiu | 613.74 mi (987.71 km) |
| Slupca to Ocna Mures | 489.04 mi (787.04 km) |
| Slupca to Odobesti | 613.43 mi (987.22 km) |
| Slupca to Odorheiu Secuiesc | 531.64 mi (855.60 km) |
| Slupca to Oltenita | 695.48 mi (1,119.27 km) |
| Slupca to Onesti | 578.21 mi (930.53 km) |
| Slupca to Oradea | 403.97 mi (650.13 km) |
| Slupca to Orastie | 506.50 mi (815.13 km) |
| Slupca to Oravita | 530.80 mi (854.25 km) |
| Slupca to Orsova | 562.65 mi (905.49 km) |
| Slupca to Otelu Rosu | 510.68 mi (821.85 km) |
| Slupca to Otopeni | 653.47 mi (1,051.66 km) |
| Slupca to Ovidiu | 739.77 mi (1,190.54 km) |