| Conroe to Nasaud | 5,904.74 mi (9,502.76 km) |
| Conroe to Navodari | 6,192.40 mi (9,965.71 km) |
| Conroe to Negresti-Oas | 5,843.61 mi (9,404.38 km) |
| Conroe to Nehoiu | 6,061.32 mi (9,754.75 km) |
| Conroe to Ocna Mures | 5,925.93 mi (9,536.86 km) |
| Conroe to Odobesti | 6,068.77 mi (9,766.74 km) |
| Conroe to Odorheiu Secuiesc | 5,980.89 mi (9,625.32 km) |
| Conroe to Oltenita | 6,132.79 mi (9,869.78 km) |
| Conroe to Onesti | 6,035.11 mi (9,712.57 km) |
| Conroe to Oradea | 5,825.43 mi (9,375.12 km) |
| Conroe to Orastie | 5,926.39 mi (9,537.60 km) |
| Conroe to Oravita | 5,906.26 mi (9,505.21 km) |
| Conroe to Orsova | 5,946.92 mi (9,570.65 km) |
| Conroe to Otelu Rosu | 5,910.02 mi (9,511.26 km) |
| Conroe to Otopeni | 6,090.49 mi (9,801.70 km) |
