| Tall Abyad to Nasaud | 1,042.34 mi (1,677.48 km) |
| Tall Abyad to Navodari | 755.62 mi (1,216.05 km) |
| Tall Abyad to Negresti-Oas | 1,103.41 mi (1,775.76 km) |
| Tall Abyad to Nehoiu | 888.31 mi (1,429.59 km) |
| Tall Abyad to Ocna Mures | 1,025.44 mi (1,650.28 km) |
| Tall Abyad to Odobesti | 878.14 mi (1,413.22 km) |
| Tall Abyad to Odorheiu Secuiesc | 967.32 mi (1,556.76 km) |
| Tall Abyad to Oltenita | 823.68 mi (1,325.58 km) |
| Tall Abyad to Onesti | 911.41 mi (1,466.78 km) |
| Tall Abyad to Oradea | 1,127.84 mi (1,815.09 km) |
| Tall Abyad to Orastie | 1,030.93 mi (1,659.12 km) |
| Tall Abyad to Oravita | 1,067.38 mi (1,717.78 km) |
| Tall Abyad to Orsova | 1,026.50 mi (1,652.00 km) |
| Tall Abyad to Otelu Rosu | 1,054.29 mi (1,696.71 km) |
| Tall Abyad to Otopeni | 864.85 mi (1,391.84 km) |
