| Holladay to Nasaud | 5,793.55 mi (9,323.81 km) |
| Holladay to Navodari | 6,072.50 mi (9,772.74 km) |
| Holladay to Negresti-Oas | 5,734.87 mi (9,229.39 km) |
| Holladay to Nehoiu | 5,954.53 mi (9,582.89 km) |
| Holladay to Ocna Mures | 5,832.18 mi (9,385.99 km) |
| Holladay to Odobesti | 5,948.41 mi (9,573.03 km) |
| Holladay to Odorheiu Secuiesc | 5,872.77 mi (9,451.31 km) |
| Holladay to Oltenita | 6,038.26 mi (9,717.64 km) |
| Holladay to Onesti | 5,911.84 mi (9,514.19 km) |
| Holladay to Oradea | 5,742.79 mi (9,242.12 km) |
| Holladay to Orastie | 5,846.76 mi (9,409.45 km) |
| Holladay to Oravita | 5,853.58 mi (9,420.43 km) |
| Holladay to Orsova | 5,890.88 mi (9,480.46 km) |
| Holladay to Otelu Rosu | 5,843.81 mi (9,404.70 km) |
| Holladay to Otopeni | 5,996.47 mi (9,650.38 km) |
