| Barrhead to Nasaud | 1,357.02 mi (2,183.92 km) |
| Barrhead to Navodari | 1,642.93 mi (2,644.04 km) |
| Barrhead to Negresti-Oas | 1,296.19 mi (2,086.01 km) |
| Barrhead to Nehoiu | 1,510.50 mi (2,430.92 km) |
| Barrhead to Ocna Mures | 1,374.04 mi (2,211.30 km) |
| Barrhead to Odobesti | 1,521.11 mi (2,447.99 km) |
| Barrhead to Odorheiu Secuiesc | 1,431.25 mi (2,303.37 km) |
| Barrhead to Oltenita | 1,579.92 mi (2,542.63 km) |
| Barrhead to Onesti | 1,488.91 mi (2,396.17 km) |
| Barrhead to Oradea | 1,272.75 mi (2,048.29 km) |
| Barrhead to Orastie | 1,373.20 mi (2,209.95 km) |
| Barrhead to Oravita | 1,354.98 mi (2,180.62 km) |
| Barrhead to Orsova | 1,395.31 mi (2,245.53 km) |
| Barrhead to Otelu Rosu | 1,357.06 mi (2,183.98 km) |
| Barrhead to Otopeni | 1,537.72 mi (2,474.73 km) |
