| Civitavecchia to Galapagar | 825.28 mi (1,328.16 km) |
| Civitavecchia to Galdacano | 747.21 mi (1,202.52 km) |
| Civitavecchia to Gandia | 664.78 mi (1,069.86 km) |
| Civitavecchia to Garrucha | 799.12 mi (1,286.06 km) |
| Civitavecchia to Gava | 508.01 mi (817.56 km) |
| Civitavecchia to Gelves | 1,000.28 mi (1,609.80 km) |
| Civitavecchia to Getafe | 815.68 mi (1,312.72 km) |
| Civitavecchia to Gibraleon | 1,046.75 mi (1,684.57 km) |
| Civitavecchia to Gijon | 890.78 mi (1,433.57 km) |
| Civitavecchia to Gines | 1,001.79 mi (1,612.22 km) |
| Civitavecchia to Girona | 460.82 mi (741.61 km) |
| Civitavecchia to Godella | 662.35 mi (1,065.94 km) |
| Civitavecchia to Gondomar | 1,051.43 mi (1,692.11 km) |
| Civitavecchia to Grado | 909.53 mi (1,463.75 km) |
| Civitavecchia to Granada | 885.55 mi (1,425.16 km) |
