| Grenada to Oakley (California) | 1,799.26 mi (2,895.63 km) |
| Grenada to Oakton (Virginia) | 779.70 mi (1,254.80 km) |
| Grenada to Oakville (Missouri) | 323.65 mi (520.86 km) |
| Grenada to Oatfield (Oregon) | 1,904.05 mi (3,064.27 km) |
| Grenada to Ocala (Florida) | 551.98 mi (888.33 km) |
| Grenada to Ocean Acres (New Jersey) | 951.54 mi (1,531.36 km) |
| Grenada to Ocean City (New Jersey) | 924.15 mi (1,487.28 km) |
| Grenada to Ocean Pines (Maryland) | 877.18 mi (1,411.69 km) |
| Grenada to Ocean Pointe (Hawaii) | 4,193.59 mi (6,748.94 km) |
| Grenada to Ocean Springs (Mississippi) | 240.70 mi (387.37 km) |
| Grenada to Oceanside (California) | 1,579.86 mi (2,542.54 km) |
| Grenada to Oceanside (New York) | 1,005.99 mi (1,618.98 km) |
| Grenada to Ocoee (Florida) | 606.86 mi (976.64 km) |
| Grenada to Oconomowoc (Wisconsin) | 647.73 mi (1,042.42 km) |
| Grenada to Odenton (Maryland) | 814.54 mi (1,310.88 km) |
