| Arpacay to Nasaud | 1,035.87 mi (1,667.07 km) |
| Arpacay to Navodari | 784.97 mi (1,263.29 km) |
| Arpacay to Negresti-Oas | 1,092.25 mi (1,757.81 km) |
| Arpacay to Nehoiu | 911.48 mi (1,466.88 km) |
| Arpacay to Ocna Mures | 1,043.12 mi (1,678.74 km) |
| Arpacay to Odobesti | 883.52 mi (1,421.89 km) |
| Arpacay to Odorheiu Secuiesc | 975.44 mi (1,569.81 km) |
| Arpacay to Oltenita | 878.11 mi (1,413.18 km) |
| Arpacay to Onesti | 907.41 mi (1,460.33 km) |
| Arpacay to Oradea | 1,143.78 mi (1,840.73 km) |
| Arpacay to Orastie | 1,065.44 mi (1,714.66 km) |
| Arpacay to Oravita | 1,128.69 mi (1,816.45 km) |
| Arpacay to Orsova | 1,091.49 mi (1,756.58 km) |
| Arpacay to Otelu Rosu | 1,101.41 mi (1,772.54 km) |
| Arpacay to Otopeni | 911.08 mi (1,466.25 km) |
