| Pleasant Grove to Olympia (Washington) | 721.81 mi (1,161.65 km) |
| Pleasant Grove to Olympia Heights (Florida) | 2,065.32 mi (3,323.81 km) |
| Pleasant Grove to Omaha (Nebraska) | 821.52 mi (1,322.11 km) |
| Pleasant Grove to On Top of the World Designated Place (Florida) | 1,833.12 mi (2,950.11 km) |
| Pleasant Grove to Onalaska (Wisconsin) | 1,076.82 mi (1,732.98 km) |
| Pleasant Grove to Oneida (New York) | 1,855.49 mi (2,986.12 km) |
| Pleasant Grove to Oneonta (New York) | 1,891.01 mi (3,043.28 km) |
| Pleasant Grove to Ontario (California) | 543.40 mi (874.51 km) |
| Pleasant Grove to Ontario (Oregon) | 368.02 mi (592.27 km) |
| Pleasant Grove to Opa-locka (Florida) | 2,062.16 mi (3,318.73 km) |
| Pleasant Grove to Opelika (Alabama) | 1,550.80 mi (2,495.76 km) |
| Pleasant Grove to Opelousas (Louisiana) | 1,294.46 mi (2,083.23 km) |
| Pleasant Grove to Orange (California) | 563.80 mi (907.35 km) |
| Pleasant Grove to Orange (Texas) | 1,233.34 mi (1,984.86 km) |
| Pleasant Grove to Orange City (Florida) | 1,890.18 mi (3,041.95 km) |
