| Clemson to Nasaud | 5,206.01 mi (8,378.27 km) |
| Clemson to Navodari | 5,491.15 mi (8,837.15 km) |
| Clemson to Negresti-Oas | 5,145.23 mi (8,280.45 km) |
| Clemson to Nehoiu | 5,358.16 mi (8,623.12 km) |
| Clemson to Ocna Mures | 5,220.98 mi (8,402.36 km) |
| Clemson to Odobesti | 5,370.01 mi (8,642.19 km) |
| Clemson to Odorheiu Secuiesc | 5,279.68 mi (8,496.83 km) |
| Clemson to Oltenita | 5,424.33 mi (8,729.62 km) |
| Clemson to Onesti | 5,337.98 mi (8,590.64 km) |
| Clemson to Oradea | 5,118.71 mi (8,237.77 km) |
| Clemson to Orastie | 5,216.85 mi (8,395.71 km) |
| Clemson to Oravita | 5,188.64 mi (8,350.31 km) |
| Clemson to Orsova | 5,229.63 mi (8,416.28 km) |
| Clemson to Otelu Rosu | 5,196.52 mi (8,362.99 km) |
| Clemson to Otopeni | 5,382.62 mi (8,662.49 km) |
