| Rockwall to Nasaud | 5,792.83 mi (9,322.66 km) |
| Rockwall to Navodari | 6,080.75 mi (9,786.02 km) |
| Rockwall to Negresti-Oas | 5,731.73 mi (9,224.32 km) |
| Rockwall to Nehoiu | 5,950.77 mi (9,576.83 km) |
| Rockwall to Ocna Mures | 5,816.45 mi (9,360.67 km) |
| Rockwall to Odobesti | 5,956.45 mi (9,585.98 km) |
| Rockwall to Odorheiu Secuiesc | 5,869.77 mi (9,446.48 km) |
| Rockwall to Oltenita | 6,024.23 mi (9,695.07 km) |
| Rockwall to Onesti | 5,922.24 mi (9,530.93 km) |
| Rockwall to Oradea | 5,716.93 mi (9,200.52 km) |
| Rockwall to Orastie | 5,818.80 mi (9,364.46 km) |
| Rockwall to Oravita | 5,802.24 mi (9,337.80 km) |
| Rockwall to Orsova | 5,842.64 mi (9,402.83 km) |
| Rockwall to Otelu Rosu | 5,804.17 mi (9,340.91 km) |
| Rockwall to Otopeni | 5,981.79 mi (9,626.76 km) |
