| Adel to Nasaud | 1,218.98 mi (1,961.75 km) |
| Adel to Navodari | 1,501.50 mi (2,416.42 km) |
| Adel to Negresti-Oas | 1,158.90 mi (1,865.07 km) |
| Adel to Nehoiu | 1,368.11 mi (2,201.76 km) |
| Adel to Ocna Mures | 1,230.64 mi (1,980.52 km) |
| Adel to Odobesti | 1,382.04 mi (2,224.17 km) |
| Adel to Odorheiu Secuiesc | 1,290.69 mi (2,077.17 km) |
| Adel to Oltenita | 1,433.53 mi (2,307.04 km) |
| Adel to Onesti | 1,351.30 mi (2,174.71 km) |
| Adel to Oradea | 1,128.08 mi (1,815.47 km) |
| Adel to Orastie | 1,226.07 mi (1,973.16 km) |
| Adel to Oravita | 1,201.48 mi (1,933.60 km) |
| Adel to Orsova | 1,242.23 mi (1,999.18 km) |
| Adel to Otelu Rosu | 1,206.76 mi (1,942.10 km) |
| Adel to Otopeni | 1,391.79 mi (2,239.87 km) |
