| Concord to Nasaud | 6,192.30 mi (9,965.54 km) |
| Concord to Navodari | 6,462.18 mi (10,399.87 km) |
| Concord to Negresti-Oas | 6,135.74 mi (9,874.51 km) |
| Concord to Nehoiu | 6,351.51 mi (10,221.77 km) |
| Concord to Ocna Mures | 6,236.39 mi (10,036.50 km) |
| Concord to Odobesti | 6,340.55 mi (10,204.13 km) |
| Concord to Odorheiu Secuiesc | 6,270.98 mi (10,092.17 km) |
| Concord to Oltenita | 6,437.93 mi (10,360.85 km) |
| Concord to Onesti | 6,303.70 mi (10,144.82 km) |
| Concord to Oradea | 6,152.75 mi (9,901.90 km) |
| Concord to Orastie | 6,255.68 mi (10,067.55 km) |
| Concord to Oravita | 6,271.74 mi (10,093.39 km) |
| Concord to Orsova | 6,307.14 mi (10,150.36 km) |
| Concord to Otelu Rosu | 6,257.48 mi (10,070.44 km) |
| Concord to Otopeni | 6,397.20 mi (10,295.29 km) |
