| Johnston to Nasaud | 5,218.78 mi (8,398.81 km) |
| Johnston to Navodari | 5,506.20 mi (8,861.37 km) |
| Johnston to Negresti-Oas | 5,157.91 mi (8,300.85 km) |
| Johnston to Nehoiu | 5,378.44 mi (8,655.76 km) |
| Johnston to Ocna Mures | 5,246.36 mi (8,443.20 km) |
| Johnston to Odobesti | 5,381.21 mi (8,660.22 km) |
| Johnston to Odorheiu Secuiesc | 5,296.76 mi (8,524.31 km) |
| Johnston to Oltenita | 5,454.99 mi (8,778.96 km) |
| Johnston to Onesti | 5,346.22 mi (8,603.91 km) |
| Johnston to Oradea | 5,148.87 mi (8,286.30 km) |
| Johnston to Orastie | 5,251.94 mi (8,452.18 km) |
| Johnston to Oravita | 5,241.65 mi (8,435.63 km) |
| Johnston to Orsova | 5,281.45 mi (8,499.68 km) |
| Johnston to Otelu Rosu | 5,240.36 mi (8,433.54 km) |
| Johnston to Otopeni | 5,412.45 mi (8,710.50 km) |
