| Grenada to Nasaud | 5,513.12 mi (8,872.50 km) |
| Grenada to Navodari | 5,800.29 mi (9,334.67 km) |
| Grenada to Negresti-Oas | 5,452.03 mi (8,774.20 km) |
| Grenada to Nehoiu | 5,668.50 mi (9,122.58 km) |
| Grenada to Ocna Mures | 5,532.45 mi (8,903.62 km) |
| Grenada to Odobesti | 5,677.31 mi (9,136.74 km) |
| Grenada to Odorheiu Secuiesc | 5,588.59 mi (8,993.97 km) |
| Grenada to Oltenita | 5,738.46 mi (9,235.16 km) |
| Grenada to Onesti | 5,644.11 mi (9,083.32 km) |
| Grenada to Oradea | 5,431.33 mi (8,740.88 km) |
| Grenada to Orastie | 5,531.55 mi (8,902.17 km) |
| Grenada to Oravita | 5,509.10 mi (8,866.04 km) |
| Grenada to Orsova | 5,549.88 mi (8,931.67 km) |
| Grenada to Otelu Rosu | 5,514.03 mi (8,873.97 km) |
| Grenada to Otopeni | 5,696.29 mi (9,167.30 km) |
