| Constanta to Granadilla de Abona | 2,714.22 mi (4,368.12 km) |
| Constanta to Granollers | 1,339.48 mi (2,155.69 km) |
| Constanta to Grinon | 1,673.91 mi (2,693.90 km) |
| Constanta to Guadalajara | 1,630.40 mi (2,623.87 km) |
| Constanta to Guadarrama | 1,675.12 mi (2,695.85 km) |
| Constanta to Guadix | 1,717.54 mi (2,764.12 km) |
| Constanta to Guardamar del Segura | 1,571.76 mi (2,529.50 km) |
| Constanta to Guernica y Luno | 1,554.06 mi (2,501.01 km) |
| Constanta to Guia de Isora | 2,719.92 mi (4,377.29 km) |
| Constanta to Guillena | 1,854.82 mi (2,985.05 km) |
| Constanta to Guimar | 2,697.60 mi (4,341.37 km) |
| Constanta to Hellin | 1,610.43 mi (2,591.73 km) |
| Constanta to Herencia | 1,670.44 mi (2,688.32 km) |
| Constanta to Hernani | 1,520.53 mi (2,447.06 km) |
| Constanta to Hoyo de Manzanares | 1,665.85 mi (2,680.92 km) |
