| Holt to Nasaud | 4,862.89 mi (7,826.06 km) |
| Holt to Navodari | 5,150.73 mi (8,289.29 km) |
| Holt to Negresti-Oas | 4,801.76 mi (7,727.69 km) |
| Holt to Nehoiu | 5,020.18 mi (8,079.20 km) |
| Holt to Ocna Mures | 4,885.36 mi (7,862.23 km) |
| Holt to Odobesti | 5,026.76 mi (8,089.79 km) |
| Holt to Odorheiu Secuiesc | 4,939.44 mi (7,949.27 km) |
| Holt to Oltenita | 5,092.82 mi (8,196.10 km) |
| Holt to Onesti | 4,992.85 mi (8,035.22 km) |
| Holt to Oradea | 4,785.44 mi (7,701.42 km) |
| Holt to Orastie | 4,887.00 mi (7,864.87 km) |
| Holt to Oravita | 4,869.50 mi (7,836.70 km) |
| Holt to Orsova | 4,909.96 mi (7,901.82 km) |
| Holt to Otelu Rosu | 4,871.85 mi (7,840.48 km) |
| Holt to Otopeni | 5,050.42 mi (8,127.86 km) |
