| Rockport to Nasaud | 6,089.44 mi (9,800.01 km) |
| Rockport to Navodari | 6,377.06 mi (10,262.88 km) |
| Rockport to Negresti-Oas | 6,028.32 mi (9,701.64 km) |
| Rockport to Nehoiu | 6,245.87 mi (10,051.76 km) |
| Rockport to Ocna Mures | 6,110.37 mi (9,833.69 km) |
| Rockport to Odobesti | 6,253.50 mi (10,064.04 km) |
| Rockport to Odorheiu Secuiesc | 6,165.51 mi (9,922.43 km) |
| Rockport to Oltenita | 6,317.11 mi (10,166.40 km) |
| Rockport to Onesti | 6,219.89 mi (10,009.95 km) |
| Rockport to Oradea | 6,009.76 mi (9,671.78 km) |
| Rockport to Orastie | 6,110.59 mi (9,834.05 km) |
| Rockport to Oravita | 6,089.96 mi (9,800.85 km) |
| Rockport to Orsova | 6,130.66 mi (9,866.34 km) |
| Rockport to Otelu Rosu | 6,093.99 mi (9,807.34 km) |
| Rockport to Otopeni | 6,274.82 mi (10,098.35 km) |
