| Opelousas to Grand Junction (Colorado) | 1,103.97 mi (1,776.66 km) |
| Opelousas to Grand Prairie (Texas) | 326.73 mi (525.82 km) |
| Opelousas to Grand Rapids (Michigan) | 929.28 mi (1,495.53 km) |
| Opelousas to Grand Rapids (Minnesota) | 1,157.32 mi (1,862.53 km) |
| Opelousas to Grand Terrace (California) | 1,489.80 mi (2,397.61 km) |
| Opelousas to Grandview (Missouri) | 593.62 mi (955.34 km) |
| Opelousas to Grandview (Washington) | 1,841.82 mi (2,964.12 km) |
| Opelousas to Grandville (Michigan) | 923.32 mi (1,485.94 km) |
| Opelousas to Granger (Indiana) | 842.21 mi (1,355.41 km) |
| Opelousas to Granite Bay (California) | 1,739.92 mi (2,800.12 km) |
| Opelousas to Granite City (Illinois) | 577.62 mi (929.58 km) |
| Opelousas to Grants Pass (Oregon) | 1,906.70 mi (3,068.53 km) |
| Opelousas to Grantsville (Utah) | 1,336.63 mi (2,151.10 km) |
| Opelousas to Grapevine (Texas) | 337.26 mi (542.77 km) |
| Opelousas to Grass Valley (California) | 1,739.59 mi (2,799.59 km) |
